阀门弹簧是指用于各类阀门上的弹簧，阀门弹簧在阀门中决定开启压力、阀瓣的行程以及在关闭状态下密封的稳定性。
阀门弹簧和液压弹簧分获2004年中国机械通用零部件工业协会优秀新产品特等奖和优秀奖。
Valve spring series won the excellent new products prizes in 2004 China General Machine Components Industry Association. Hydraulic pressure spring won excellent prizes meanwhile.
由于这种止回阀能够在重力和介质倒流撞击启闭件之前关闭阀门，因此这种直通弹簧驱动升降式止回阀也称为“静音”止回阀。
The in-line spring-actuated lift check also is referred to as the "silent check" because the spring closes the valve before gravity and fluid reversal can slam the valve closed.
安装一根粗弹簧就可以达到迅速关闭阀门的目的。
Rapid closing of the valve is accomplished fitting a heavy spring.
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